central command, which runs the wars in iraq and afghanistan. how long were they in? >> it was probably a matter of months. >> reporter: they were in a matter of months undetected? >> yes. >> reporter: that must have been a wake-up call. >> that was a wake-up call, and it led us to the creation of the cyber command to try and organize our defenses. this can't be a pickup game. >> reporter: cyber command is located inside the headquarters of the top-secret national security agency. cbs news got an exclusive look at the new command's operations center. there's a war going on out there in cyberspace, and this is its nerve center. cyberspace is now just like air, land, and sea-- one more theater in which the u.s. military has to fight. >> there's been very few weapons-- probably no weapons in the history of warfare-- that have been developed and not used. >> reporter: right now, only states like china and russia have the capability to launch a cyber attack that could take down this country's power grid or banking system. but once a rogue state or terrorist group with no s